xo-gc: + scaffold for gc primitives

src/gc/MutationLogEntry.cpp

@@ -0,0 +1,22 @@
+/** @file MutationLogEntry.cpp
+ *
+ *  @author Roland Conybeare, Mar 2026
+ **/
+
+#include "MutationLogEntry.hpp"
+
+namespace xo {
+    namespace mm {
+
+        MutationLogEntry::MutationLogEntry(void * parent,
+                                           void ** p_data,
+                                           obj<AGCObject> snap)
+                : parent_{parent},
+                  p_data_{p_data},
+                  snap_{snap}
+        {}
+
+    } /*namespace mm*/
+} /*namespace xo*/
+
+/* end MutationLogEntry.cpp */